<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"/>
<title>HTML5 websocket 网页聊天室 javascript php</title>
<script type="text/javascript" src="jquery.min.js"></script>
<style type="text/css">
body,p{margin:0px; padding:0px; font-size:14px; color:#333; font-family:Arial, Helvetica, sans-serif;}
#ltian,.rin{width:98%; margin:5px auto;}
#ltian{border:1px #ccc solid;overflow-y:auto; overflow-x:hidden; position:relative;}
#ct{margin-right:111px; height:100%;overflow-y:auto;overflow-x: hidden;}
#us{width:110px; overflow-y:auto; overflow-x:hidden; float:right; border-left:1px #ccc solid; height:100%; background-color:#F1F1F1;}
#us p{padding:3px 5px; color:#08C; line-height:20px; height:20px; cursor:pointer; overflow:hidden; white-space:nowrap; text-overflow:ellipsis;}
#us p:hover,#us p:active,#us p.ck{background-color:#069; color:#FFF;}
#us p.my:hover,#us p.my:active,#us p.my{color:#333;background-color:transparent;}
button{float:right; width:80px; height:35px; font-size:18px;}
input{width:100%; height:30px; padding:2px; line-height:20px; outline:none; border:solid 1px #CCC;}
.rin p{margin-right:160px;}
.rin span{float:right; padding:6px 5px 0px 5px; position:relative;}
.rin span img{margin:0px 3px; cursor:pointer;}
.rin span form{position:absolute; width:25px; height:25px; overflow:hidden; opacity:0; top:5px; right:5px;}
.rin span input{width:180px; height:25px; margin-left:-160px; cursor:pointer}
  
#ct p{padding:5px; line-height:20px;}
#ct a{color:#069; cursor:pointer;}
#ct span{color:#999; margin-right:10px;}
.c2{color:#999;}
.c3{background-color:#DBE9EC; padding:5px;}
.qp{position:absolute; font-size:12px; color:#666; top:5px; right:130px; text-decoration:none; color:#069;}
#ems{position:absolute; z-index:5; display:none; top:0px; left:0px; max-width:230px; background-color:#F1F1F1; border:solid 1px #CCC; padding:5px;}
#ems img{width:44px; height:44px; border:solid 1px #FFF; cursor:pointer;}
#ems img:hover,#ems img:active{border-color:#A4B7E3;}
#ems a{color:#069; border-radius:2px; display:inline-block; margin:2px 5px; padding:1px 8px; text-decoration:none; background-color:#D5DFFD;}
#ems a:hover,#ems a:active,#ems a.ck{color:#FFF; background-color:#069;}
.tc{text-align:center; margin-top:5px;}
</style>
</head>
  
<body>
<p id="ltian">
  <p id="us" class="jb"></p>
  <p id="ct"></p>
  <a href="javascript:;" class="qp" onClick="this.parentNode.children[1].innerHTML=''">清屏</a>
</p>
<p class="rin">
  <button id="sd">发送</button>
  <span><img src="http://www.yxsss.com/ui/sk/t.png" title="表情" id="imgbq"><img src="http://www.yxsss.com/ui/sk/e.png" title="上传图片"><form><input type="file" title="上传图片" id="upimg"></form></span>
  <p><input id="nrong"></p>
</p>
<p id="ems">
	<p>123</p>
	<p class="tc">123</p>
</p>
<script>
if(typeof(WebSocket)=='undefined'){
  alert('你的浏览器不支持 WebSocket ，推荐使用Google Chrome 或者 Mozilla Firefox'); 
}
</script>
<script src="http://www.yxsss.com/ui/p/a.js" type="text/javascript"></script>
<script>
(function(){
  var key='all',mkey;
  var users={};
  var url='ws://127.0.0.1:8000';
  var so=false,n=false;
  var lus=A.$('us'),lct=A.$('ct');
  function st(){
    n=prompt('请给自己取一个响亮的名字：');
    n=n.substr(0,16);
    if(!n){
      return ;  
    }
    //创建socket，注意URL的格式：ws://ip:端口
    so=new WebSocket(url);
    //握手监听函数
    so.onopen=function(){
      //状态为1证明握手成功，然后把client自定义的名字发送过去
      if(so.readyState==1){
        so.send('type=add&ming='+n);
      }
    }
      
    //握手失败或者其他原因连接socket失败，则清除so对象并做相应提示操作
    so.onclose=function(){
      so=false;
      lct.appendChild(A.$$('<p class="c2">退出聊天室</p>'));
    }
      
    //数据接收监听，接收服务器推送过来的信息，返回的数据给msg，然后进行显示
    so.onmessage=function(msg){
    	console.log(msg);
      eval('var da='+msg.data);
      var obj=false,c=false;
      if(da.type=='add'){
        var obj=A.$$('<p>'+da.name+'</p>');
        lus.appendChild(obj);
        cuser(obj,da.code);
        obj=A.$$('<p><span>['+da.time+']</span>欢迎<a>'+da.name+'</a>加入</p>');
        c=da.code;
      }else if(da.type=='madd'){
        mkey=da.code;
        da.users.unshift({'code':'all','name':'大家'});
        for(var i=0;i<da.users.length;i++){
          var obj=A.$$('<p>'+da.users[i].name+'</p>');
          lus.appendChild(obj);
          if(mkey!=da.users[i].code){
            cuser(obj,da.users[i].code);
          }else{
            obj.className='my';
            document.title=da.users[i].name;
          }
        }
        obj=A.$$('<p><span>['+da.time+']</span>欢迎'+da.name+'加入</p>');
        users.all.className='ck';
      }
        
      if(obj==false){
        if(da.type=='rmove'){
          var obj=A.$$('<p class="c2"><span>['+da.time+']</span>'+users[da.nrong].innerHTML+'退出聊天室</p>');
          lct.appendChild(obj);
          users[da.nrong].del();
          delete users[da.nrong];
        }else{
          da.nrong=da.nrong.replace(/{\\(\d+)}/g,function(a,b){
            return '<img src="sk/'+b+'.gif">';
          }).replace(/^data\:image\/png;base64\,.{50,}$/i,function(a){
            return '<img src="'+a+'">';
          });
          //da.code 发信息人的code
          if(da.code1==mkey){
            obj=A.$$('<p class="c3"><span>['+da.time+']</span><a>'+users[da.code].innerHTML+'</a>对我说：'+da.nrong+'</p>');
            c=da.code;
          }else if(da.code==mkey){
            if(da.code1!='all')
            obj=A.$$('<p class="c3"><span>['+da.time+']</span>我对<a>'+users[da.code1].innerHTML+'</a>说：'+da.nrong+'</p>');
            else
            obj=A.$$('<p><span>['+da.time+']</span>我对<a>'+users[da.code1].innerHTML+'</a>说：'+da.nrong+'</p>');
            c=da.code1;
          }else if(da.code==false){
            obj=A.$$('<p><span>['+da.time+']</span>'+da.nrong+'</p>');
          }else if(da.code1){
            obj=A.$$('<p><span>['+da.time+']</span><a>'+users[da.code].innerHTML+'</a>对'+users[da.code1].innerHTML+'说：'+da.nrong+'</p>');
            c=da.code;
          }
        }
      }
      if(c){
          obj.children[1].onclick=function(){
            users[c].onclick();
          }
        }
      lct.appendChild(obj);
      lct.scrollTop=Math.max(0,lct.scrollHeight-lct.offsetHeight);
        
    }
  }
  A.$('sd').onclick=function(){
    if(!so){
       return st();
    }
    var da=A.$('nrong').value.trim();
    if(da==''){
      alert('内容不能为空');
      return false; 
    }
    A.$('nrong').value='';
    so.send('nr='+esc(da)+'&key='+key);
  }
  A.$('nrong').onkeydown=function(e){
    var e=e||event;
    if(e.keyCode==13){
      A.$('sd').onclick();
    }
  }
  function esc(da){
    da=da.replace(/</g,'<').replace(/>/g,'>').replace(/\"/g,'"');
    return encodeURIComponent(da);
  }
  function cuser(t,code){
    users[code]=t;
    t.onclick=function(){
      t.parentNode.children.rcss('ck','');
      t.rcss('','ck');
      key=code;
    }
  }
  A.$('ltian').style.height=(document.documentElement.clientHeight - 70)+'px';
  st();
    
  
  var bq=A.$('imgbq'),ems=A.$('ems');
  var l=80,r=4,c=5,s=0,p=Math.ceil(l/(r*c));
  var pt='sk/';
  bq.onclick=function(e){
    var e=e||event;
    if(!so){
       return st();
    }
    ems.style.display='block';
    document.onclick=function(){
      gb(); 
    }
    ct();
    try{e.stopPropagation();}catch(o){}
  }
    
  for(var i=0;i<p;i++){
    var a=A.$$('<a href="javascript:;">'+(i+1)+'</a>');
    ems.children[1].appendChild(a);
    ef(a,i);
  }
  ems.children[1].children[0].className='ck';
    
  function ct(){
    var wz=bq.weiz();
    with(ems.style){
      top=wz.y-242+'px';
      left=wz.x+bq.offsetWidth-235+'px';
    }
  }
      
  function ef(t,i){
    t.onclick=function(e){
      var e=e||event;
      s=i*r*c;
      ems.children[0].innerHTML='';
      hh();
      this.parentNode.children.rcss('ck','');
      this.rcss('','ck');
      try{e.stopPropagation();}catch(o){}
    }
  }
    
  function hh(){
    var z=Math.min(l,s+r*c);
    for(var i=s;i<z;i++){
      var a=A.$$('<img src="'+pt+i+'.gif">');
      hh1(a,i);
      ems.children[0].appendChild(a);
    }
    ct();
  }
    
  function hh1(t,i){
    t.onclick=function(e){
      var e=e||event;
      A.$('nrong').value+='{\\'+i+'}';
      if(!e.ctrlKey){
        gb();
      }
      try{e.stopPropagation();}catch(o){}
    }
  }
    
  function gb(){
    ems.style.display='';
    A.$('nrong').focus();
    document.onclick='';
  }
  hh();
  A.on(window,'resize',function(){
    A.$('ltian').style.height=(document.documentElement.clientHeight - 70)+'px';
    ct();
  }) 
  
  var fimg=A.$('upimg');
  var img=new Image();
  var dw=400,dh=300;
  A.on(fimg,'change',function(ev){
    if(!so){
      st();
      return false;
    }
    if(key=='all'){
      alert('由于资源限制 发图只能私聊');
      return false; 
    }
    var f=ev.target.files[0];
    if(f.type.match('image.*')){
      var r = new FileReader();
      r.onload = function(e){
        img.setAttribute('src',e.target.result);
      };
      r.readAsDataURL(f);
    }
  });
  img.onload=function(){
    ih=img.height,iw=img.width;
    if(iw/ih > dw/dh && iw > dw){
      ih=ih/iw*dw;
      iw=dw;
    }else if(ih > dh){
      iw=iw/ih*dh;
      ih=dh;
    }
    var rc = A.$$('canvas');
    var ct = rc.getContext('2d');
    rc.width=iw;
    rc.height=ih;
    ct.drawImage(img,0,0,iw,ih);
    var da=rc.toDataURL();
    so.send('nr='+esc(da)+'&key='+key);
  }
    
})();
</script>
</body>
</html>